--- a/config/FreeBSD.mk
+++ b/config/FreeBSD.mk
@@ -67,13 +67,12 @@ MOZ_OBJFORMAT          := $(shell test -
 ifeq ($(MOZ_OBJFORMAT),elf)
 DLL_SUFFIX		= so
 else
 DLL_SUFFIX		= so.1.0
 endif
 
 DSO_CFLAGS		= -fPIC
 DSO_LDOPTS		= -Bshareable
-DSO_LDFLAGS		=
 
 MKSHLIB			= $(LD) $(DSO_LDOPTS)
 
 G++INCLUDES		= -I/usr/include/g++

--- a/config/HP-UX.mk
+++ b/config/HP-UX.mk
@@ -188,17 +188,16 @@ endif
 
 ifdef PTHREADS_USER
 OS_CFLAGS		+= -D_POSIX_C_SOURCE=199506L
 endif
 
 MKSHLIB			= $(LD) $(DSO_LDOPTS)
 
 DSO_LDOPTS		= -b +h $(notdir $@)
-DSO_LDFLAGS		=
 
 # -fPIC or +Z generates position independent code for use in shared
 # libraries.
 ifdef NS_USE_GCC
 DSO_CFLAGS		= -fPIC
 else
 DSO_CFLAGS		= +Z
 endif

--- a/config/Linux.mk
+++ b/config/Linux.mk
@@ -122,9 +122,8 @@ endif
 ######################################################################
 
 ######################################################################
 # Other
 ######################################################################
 
 DSO_CFLAGS		= -fPIC
 DSO_LDOPTS		= -shared
-DSO_LDFLAGS		=

--- a/config/NEWS-OS.mk
+++ b/config/NEWS-OS.mk
@@ -67,9 +67,8 @@ OS_CFLAGS		= $(PLATFORM_FLAGS) $(PORT_FL
 
 ######################################################################
 # Other
 ######################################################################
 
 MKSHLIB			= $(LD) $(DSO_LDOPTS)
  
 DSO_LDOPTS		= -G
-DSO_LDFLAGS		=

--- a/config/NetBSD.mk
+++ b/config/NetBSD.mk
@@ -58,17 +58,16 @@ OS_LIBS			= -lc
 DEFINES			+= -D_PR_LOCAL_THREADS_ONLY
 endif
 
 ARCH			= netbsd
 
 DLL_SUFFIX		= so.1.0
 
 DSO_CFLAGS		= -fPIC
-DSO_LDFLAGS		=
 DSO_LDOPTS		= -Bshareable
 ifeq ($(OS_TEST),alpha)
 DSO_LDOPTS		= -shared
 endif
 ifeq ($(OS_TEST),mips)
 DSO_LDOPTS		= -shared
 endif
 ifeq ($(OS_TEST),pmax)  

--- a/config/OpenBSD.mk
+++ b/config/OpenBSD.mk
@@ -59,17 +59,16 @@ OS_LIBS                        = -lc
 DEFINES                        += -D_PR_LOCAL_THREADS_ONLY
 endif
 
 ARCH                   = openbsd
 
 DLL_SUFFIX             = so.1.0
 
 DSO_CFLAGS             = -fPIC
-DSO_LDFLAGS            =
 DSO_LDOPTS             = -Bshareable
 ifeq ($(OS_TEST),alpha)
 DSO_LDOPTS             = -shared
 endif
 ifeq ($(OS_TEST),mips)
 DSO_LDOPTS             = -shared
 endif
 ifeq ($(OS_TEST),pmax)